Welcome, Steve. The Reality Check Tutorial has some common ones listed down at the bottom, hidden under the Spoiler tag:
http://www.dreamviews.com/community/...ad.php?t=75427

My favorite is doing a quick memory check, asking, "How did I get here? Does my recent memory make sense?" I also look at my hands and count my fingers. It helps me focus, stabilize my thoughts and awareness, and determine whether I'm in a dream or awake.